101 124 2301 1 5450 document 2301 ReadMe.txt text/plain e73eb7ce81160fdb3e77c4295936d8a6 MD5 2835 2016-01-19 11:03:25 https://researchdata.bath.ac.uk/101/10/ReadMe.txt 101 10 10 text/plain other en public

ReadMe.txt

documentation 2302 1 5454 document 2302 indexcodes.txt text/plain 4dfa7ecb3e56f93681283b4967be2f92 MD5 1113 2016-01-19 11:13:46 https://researchdata.bath.ac.uk/101/11/indexcodes.txt 101 11 11 text/plain other Generate index codes conversion from other to indexcodes en public

indexcodes.txt

http://eprints.org/relation/isVersionOf https://researchdata.bath.ac.uk/id/document/2301 http://eprints.org/relation/isVolatileVersionOf https://researchdata.bath.ac.uk/id/document/2301 http://eprints.org/relation/isIndexCodesVersionOf https://researchdata.bath.ac.uk/id/document/2301 2303 2 5461 document 2303 Figure_3(a)-Attenuation_curve_for_the_feedback_fiber.csv text/plain de5d2410379a0654be6a819d7b6c981c MD5 16819 2016-01-21 12:50:29 https://researchdata.bath.ac.uk/101/12/Figure_3%28a%29-Attenuation_curve_for_the_feedback_fiber.csv 101 12 12 text/plain other The fiber attenuation was measured by using the cut-back method. The Tungsten lamp was used as the whitelight source. A 300 mm focal length scanning spectrometer (Bentham Instruments TMc300) was used for all spectral measurements at mid-infrared wavelengths, which has a 300 lines/mm grating and a liquid-nitrogen-cooled InAs detector (Electro-Optical Systems S-010-LN4). en public

Figure_3(a)-Attenuation_curve_for_the_feedback_fiber.csv

data 2304 2 5465 document 2304 Figure_3(b)-P(9)_absorption_line.csv text/plain fd04ccd4a8257f7e6d03463e44ec5d64 MD5 496 2016-01-21 12:51:23 https://researchdata.bath.ac.uk/101/13/Figure_3%28b%29-P%289%29_absorption_line.csv 101 13 13 text/plain other The acetylene (12C2H2) P(9) absorption near 1530 nm was measured by recording the transmission of CW laser after 10 m gain fiber filled with 0.3 mbar acetylene gas. A thermal power meter (Ophir 3A-SH) was used to measure the laser power. The tunable laser diode (ID Photonics GMBH, CoBrite DX1, linewidth <100 kHz, maximum output power ~40 mW) was used as a source after amplification. en public

Figure_3(b)-P(9)_absorption_line.csv

data 2305 2 5469 document 2305 Figure_4(a)-Measured_optical_spectra_for_different_lines.csv text/plain 3fcf4a1657b35a1442112e628ea2a04b MD5 177759 2016-01-21 12:52:14 https://researchdata.bath.ac.uk/101/14/Figure_4%28a%29-Measured_optical_spectra_for_different_lines.csv 101 14 14 text/plain other The spectral measurements were performed using a 300 mm focal length scanning spectrometer (Bentham Instruments TMc300) fitted with a 300 lines/mm grating and a liquid-nitrogen-cooled InAs detector (Electro-Optical Systems S-010-LN4). en public

Figure_4(a)-Measured_optical_spectra_for_different_lines.csv

data 2306 2 5473 document 2306 Figure_5(a)__Pump_poweroutput_power_curve_for_CW_pumping.csv text/plain 18eb831c604f4912665b00b149637167 MD5 174 2016-01-21 12:53:21 https://researchdata.bath.ac.uk/101/15/Figure_5%28a%29__Pump_poweroutput_power_curve_for_CW_pumping.csv 101 15 15 text/plain other The pump powers referred to in Figs 5 (a) were measured after the dichroic mirror and before the input lens and window.Measurements of optical powers were performed using a thermal power meter (Ophir 3A-SH). en public

Figure_5(a)__Pump_poweroutput_power_curve_for_CW_pumping.csv

data 2307 2 5477 document 2307 Figure_5(b)_Stability_of_laser_output.csv text/plain 7855a546e1d0a392e04b1473fee007d0 MD5 1198229 2016-01-21 12:54:24 https://researchdata.bath.ac.uk/101/16/Figure_5%28b%29_Stability_of_laser_output.csv 101 16 16 text/plain other Stability of laser output as a function of time in the fig 5 (b), was measured at 10 Hz sampling rate over more than one hour. A high gain detector (Thorlab PDA20H-EC) was used to directly measure the lasing power. en public

Figure_5(b)_Stability_of_laser_output.csv

data 2308 2 5481 document 2308 Figure_5_(b)_-_Inset.csv text/plain 1bc952afff69f6c64c80495550d7706a MD5 17799 2016-01-21 12:55:19 https://researchdata.bath.ac.uk/101/17/Figure_5_%28b%29_-_Inset.csv 101 17 17 text/plain other The mode profile (inset Fig 5 (b)), was measured by using a two-dimensional scan with a short piece of feedback fiber (less than 3 m) across the output beam. The fiber was mounted on a 2D scanning translation device and connected with a high gain detector (Thorlab PDA20H-EC). The whole scan was controlled by LABView software. en public

Figure_5_(b)_-_Inset.csv

data 2312 2 5498 document 2312 Figure_6_Measured_output_power_as_a_function_of_pump_repetition_rate.csv text/plain 3f8324c05c84c5b833d265ebd11bb092 MD5 5836 2016-01-21 13:37:03 https://researchdata.bath.ac.uk/101/21/Figure_6_Measured_output_power_as_a_function_of_pump_repetition_rate.csv 101 21 21 text/plain other All the pump powers shown in Figure 6 were measured after the dichroic mirror with a thermal power meter (Ophir 3A-SH). en public

Figure_6_Measured_output_power_as_a_function_of_pump_repetition_rate.csv

data 2313 2 5502 document 2313 Figure_7_Pump_poweroutput_power_curves_for_selected_repetition_rates.csv text/plain ed87677a61013a70eb2c551e5c08f83f MD5 605 2016-01-21 13:42:11 https://researchdata.bath.ac.uk/101/22/Figure_7_Pump_poweroutput_power_curves_for_selected_repetition_rates.csv 101 22 22 text/plain other All the pump powers shown in Figure 7 were measured after the dichroic mirror with a thermal power meter (Ophir 3A-SH). en public

Figure_7_Pump_poweroutput_power_curves_for_selected_repetition_rates.csv

data 2314 2 5506 document 2314 Figure_8.zip application/zip 09af3794837e825f93065586cf891d12 MD5 55691 2016-01-21 13:43:37 https://researchdata.bath.ac.uk/101/23/Figure_8.zip 101 23 23 application/zip other Time-dependent (Figs 8 (a & c)) measurements used a high speed HgCdTe detector (Vigo PVI-3.4-1×1- TO39-NO WINDOW-35, 1ns rise time) for 3.1 µm and a high speed InGaAs detector (Thorlabs DET01CFC) for 1.5 µm.A 350 MHz digital oscilloscope (Agilent InfiniiVision DSO-X-3032A) and 6 GHz spectrum analyzer (Agilent CSA Spectrum Analyzer) were used for measurements.The spectral measurements in Fig. 8b, was used a liquid-nitrogen-cooled InAs detector (Electro-Optical Systems S-010-LN4). en public

Figure_8.zip

data archive 3783 disk0/00/00/01/01 2016-02-24 17:24:48 2024-07-18 12:31:33 2016-02-24 17:24:48 data_collection show Knight Jonathan J.C.Knight@bath.ac.uk 0000-0002-0802-8804 University of Bath TRUE Wadsworth William W.J.Wadsworth@bath.ac.uk 0000-0003-4733-7594 University of Bath FALSE Yu Fei F.Yu@bath.ac.uk 0000-0002-1831-859X University of Bath FALSE Abu Hassan Muhammad Rosdi M.R.Abu.Hassan@bath.ac.uk University of Bath FALSE dept_physics The data to generate figures 3 – 8: 1. Csv file (Figure 3(a)): contains the attenuations of the feedback fiber for figure 3(a) ; 2. Csv file (Figure 3(b)): contains the P(9) absorption line for figure 3 (b); 3. Csv file (Figure 4(a)): contains optical spectra for different pump transitions in figure 4(a); 4. Csv file (Figure 5(a)): contains the CW pump power/output power and stability of laser output as a function of time for figure 5(a); 5. Csv file (Figure 5(b)): contains the stability of laser output as a function of time for figure 5(b); 6. Csv file (Figure 5(b) inset): contains the mode profile of 3um laser for figure 5(b) inset; 7. Csv file (Figure 6): contains the Measured output power as a function of pump repetition rate for figure 6; 8. Csv file (Figure 7): contains pump power/output power at selected repetition rates shown in figure 7. 9. Zip file (Figure 8): contains csv file of radio frequency spectra (a), optical spectra (b) and time dependence (c) for the pump (blue) and the laser (red) at selected repetition rates shown in figure 8. 2016 University of Bath public RightsHolder University of Bath Engineering and Physical Sciences Research Council https://doi.org/10.13039/501100000266 EP/I011315/1 New Fibres for New Lasers - Photonic Crystal Fibre Optics for the Delivery of High-Power Light The fiber attenuation was measured by using the cut-back method. The Tungsten lamp was used as the whitelight source. A 300 mm focal length scanning spectrometer (Bentham Instruments TMc300) was used for all spectral measurements at mid-infrared wavelengths, which has a 300 lines/mm grating and a liquid-nitrogen-cooled InAs detector (Electro-Optical Systems S-010-LN4). . The acetylene (12C2H2) P(9) absorption near 1530 nm was measured by recording the transmission of CW laser after 10 m gain fiber filled with 0.3 mbar acetylene gas. A thermal power meter (Ophir 3A-SH) was used to measure the laser power. The tunable laser diode (ID Photonics GMBH, CoBrite DX1, linewidth <100 kHz, maximum output power ~40 mW) was used as a source after amplification. All the pump powers shown in Figs 4 (a) and 6 were measured after the dichroic mirror with a thermal power meter (Ophir 3A-SH). Stability of laser output as a function of time in the fig 5 (b), was measured at 10 Hz sampling rate over more than one hour. A high gain detector (Thorlab PDA20H-EC) was used to directly measure the lasing power. The mode profile (inset Fig 5 (b)), was measured by using a two-dimensional scan with a short piece of feedback fiber (less than 3 m) across the output beam. The fiber was mounted on a 2D scanning translation device and connected with a high gain detector (Thorlab PDA20H-EC). The whole scan was controlled by LABView software. Time-dependent (Figs 8 (a & c)) measurements used a high speed HgCdTe detector (Vigo PVI-3.4-1×1- TO39-NO WINDOW-35, 1ns rise time) for 3.1 µm and a high speed InGaAs detector (Thorlabs DET01CFC) for 1.5 µm.A 350 MHz digital oscilloscope (Agilent InfiniiVision DSO-X-3032A) and 6 GHz spectrum analyzer (Agilent CSA Spectrum Analyzer) were used for measurements 2014-11-01 2015-06-10 en 1 10.15125/BATH-00101 https://doi.org/10.1364/OPTICA.3.000218 pub